"I look forward to a successful year as chair," DuBois said. "We will concentrate on continuing to design and implement Measure R projects and grow the transportation opportunities in Los Angeles County for accessibility to all corners of the region."

A councilmember for the city of Lakewood, DuBois was elected to the LACMTA Board of Directors in 2009, where she represents the 28 cities of southeast Los Angeles County collectively known as the Gateway Cities Council of Governments. She also serves on LACMTA's Executive Management and Audit Committee, as well as the Planning and Programming Committee.

DuBois became involved in local government through her appointment to the city of Lakewood Planning and Environment Commission, where she served for 28 years before being elected to the Lakewood City Council in 2005. She served as Mayor in 2008 and 2012.